The project is expected to enable pioneering discoveries by scientists around the world, and ultimately deliver a time-lapse ...

Diamondbacks recalled RHP Brandon Pfaadt from Triple-A Reno.

“Mr. Chair, the truth is out there.” That’s what Rep. Nate Davidson, D-Cumberland and Dauphin said during a Tuesday Pa. House ...

Space exploration was a major theme of a state House hearing on Tuesday, even as the budget deadline looms over lawmakers.

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

The Supreme Court on Tuesday upheld a broad conception of birthright citizenship, rejecting President Donald Trump’s executive order declaring that ...

As Elon Musk basked in the public spectacle of SpaceX’s blockbuster IPO, another – altogether more restrained – rocket ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...